Wet drywall becomes colonized within 24 to 48 hours of water exposure

https://cs-co-water-damage-restoration-exp-2.s3.us-south.cloud-object-storage.appdomain.cloud/water-damage-restoration-colorado-springs-co/colorado-springs-dem.html

Mold begins growing on wet drywall between 24 and 48 hours after water exposure, making the first two days critical for homeowner action